New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The diagonal of a rectangle is 53 cm, and its area is

    1260 cm². What is the perimeter (in cm) of the rectangle?
    A 144 Correct Answer Incorrect Answer
    B 152 Correct Answer Incorrect Answer
    C 148 Correct Answer Incorrect Answer
    D 146 Correct Answer Incorrect Answer

    Solution

    Let the length of the rectangle =x and width To be Y. ATQ- x × y =1260 x2+y2=53×53=2809. (x+y)2= x2+y2+2xy X+y =73 Perimeter of rectangle =2(x+y) =2×73=146.

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